:root.dark body {
  --ry-grey-1: #07090d;
  --ry-grey-2: #161d22;
  --ry-grey-3: #1a2329; /* 浅 */
  --ry-grey-4: #262e36;
  --ry-grey-5: #353d45;
  --ry-grey-6: #404952;
  --ry-grey-7: #555e6b;  /* 灰 */
  --ry-grey-8: #626c7a;
  --ry-grey-9: #828d9e;
  --ry-grey-10: #a5b1c2;
  --ry-grey-11: #c1cbd9;
  --ry-grey-12: #d1d9e5;
  --ry-grey-13: #dde3ed; /* 深 */
  --ry-grey-14: #e4ebf2;
  --ry-grey-15: #edf2f7;
  --ry-grey-16: #f5f7fa;
  --ry-grey-17: #fff;

  --ry-blue-2: #bae7ff;
  --ry-blue-3: #91d5ff;
  --ry-blue-4: #69c0ff;
  --ry-blue-5: #40a9ff;
  --ry-blue-6: #1890ff; /* primary */
  --ry-blue-7: #096dd9;
  --ry-blue-8: #0050b3;

  --ry-red-5: #ff4d4f; 
  --ry-red-6: #f5222d; /* primary */
  --ry-red-7: #cf1322;

  --ry-gold-5: #ffc53d;
  --ry-gold-6: #faad14; /* primary */
  --ry-gold-7: #d48806;

  --ry-green-5: #73d13d;
  --ry-green-6: #52c41a; /* primary */
  --ry-green-7: #389e0d;
}
